1031213110212 has 30 divisors (see below), whose sum is σ = 2695794767358. Its totient is φ = 343737703296.

The previous prime is 1031213110183. The next prime is 1031213110297. The reversal of 1031213110212 is 2120113121301.

1031213110212 is a `hidden beast` number, since 1 + 0 + 312 + 131 + 10 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 914655053376 + 116558056836 = 956376^2 + 341406^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1591377933 + ... + 1591378580.

Almost surely, 2^{1031213110212} is an apocalyptic number.

1031213110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031213110212 is an abundant number, since it is smaller than the sum of its proper divisors (1664581657146).

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

1031213110212 is a wasteful number, since it uses less digits than its factorization.

1031213110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182756529 (or 3182756518 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1031213110212 its reverse (2120113121301), we get a palindrome (3151326231513).

The spelling of 1031213110212 in words is "one trillion, thirty-one billion, two hundred thirteen million, one hundred ten thousand, two hundred twelve".