42120552212200 has 192 divisors, whose sum is σ = 122673557675520. Its totient is φ = 13066262496000.

The previous prime is 42120552212171. The next prime is 42120552212267. The reversal of 42120552212200 is 221225502124.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3231882 + ... + 9730681.

It is an arithmetic number, because the mean of its divisors is an integer number (638924779560).

Almost surely, 2^{42120552212200} is an apocalyptic number.

42120552212200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42120552212200 is an abundant number, since it is smaller than the sum of its proper divisors (80553005463320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42120552212200 is a wasteful number, since it uses less digits than its factorization.

42120552212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12962808 (or 12962799 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 42120552212200 its reverse (221225502124), we get a palindrome (42341777714324).

The spelling of 42120552212200 in words is "forty-two trillion, one hundred twenty billion, five hundred fifty-two million, two hundred twelve thousand, two hundred".