1043221140212 has 12 divisors (see below), whose sum is σ = 1825645284960. Its totient is φ = 521608201656.

The previous prime is 1043221140211. The next prime is 1043221140271. The reversal of 1043221140212 is 2120411223401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043221140211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723953 + ... + 1615719.

It is an arithmetic number, because the mean of its divisors is an integer number (152137107080).

Almost surely, 2^{1043221140212} is an apocalyptic number.

It is an amenable number.

1043221140212 is a deficient number, since it is larger than the sum of its proper divisors (782424144748).

1043221140212 is a wasteful number, since it uses less digits than its factorization.

1043221140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184230 (or 1184228 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1043221140212 its reverse (2120411223401), we get a palindrome (3163632363613).

The spelling of 1043221140212 in words is "one trillion, forty-three billion, two hundred twenty-one million, one hundred forty thousand, two hundred twelve".