203213102031212 has 24 divisors (see below), whose sum is σ = 437689758221856. Its totient is φ = 80391996407808.

The previous prime is 203213102031157. The next prime is 203213102031223. The reversal of 203213102031212 is 212130201312302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279138876053 + ... + 279138876780.

It is an arithmetic number, because the mean of its divisors is an integer number (18237073259244).

Almost surely, 2^{203213102031212} is an apocalyptic number.

It is an amenable number.

203213102031212 is an abundant number, since it is smaller than the sum of its proper divisors (234476656190644).

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

203213102031212 is a wasteful number, since it uses less digits than its factorization.

203213102031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558277752857 (or 558277752855 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 203213102031212 its reverse (212130201312302), we get a palindrome (415343303343514).

The spelling of 203213102031212 in words is "two hundred three trillion, two hundred thirteen billion, one hundred two million, thirty-one thousand, two hundred twelve".