201023031213212 has 12 divisors (see below), whose sum is σ = 378851097286536. Its totient is φ = 92779860559920.

The previous prime is 201023031213197. The next prime is 201023031213239. The reversal of 201023031213212 is 212312130320102.

It is a super-4 number, since 4×201023031213212⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1932913761614 + ... + 1932913761717.

It is an arithmetic number, because the mean of its divisors is an integer number (31570924773878).

Almost surely, 2^{201023031213212} is an apocalyptic number.

It is an amenable number.

201023031213212 is a deficient number, since it is larger than the sum of its proper divisors (177828066073324).

201023031213212 is a wasteful number, since it uses less digits than its factorization.

201023031213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865827523348 (or 3865827523346 counting only the distinct ones).

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

Adding to 201023031213212 its reverse (212312130320102), we get a palindrome (413335161533314).

The spelling of 201023031213212 in words is "two hundred one trillion, twenty-three billion, thirty-one million, two hundred thirteen thousand, two hundred twelve".