2031213012 has 48 divisors (see below), whose sum is σ = 5160993600. Its totient is φ = 619315200.

The previous prime is 2031212999. The next prime is 2031213017. The reversal of 2031213012 is 2103121302.

It is a super-2 number, since 2×2031213012² = 8251652600236224288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031212982 and 2031213000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031213017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146989 + ... + 160212.

It is an arithmetic number, because the mean of its divisors is an integer number (107520700).

Almost surely, 2^2031213012 is an apocalyptic number.

It is an amenable number.

2031213012 is an abundant number, since it is smaller than the sum of its proper divisors (3129780588).

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

2031213012 is a wasteful number, since it uses less digits than its factorization.

2031213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307256 (or 307254 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2031213012 is about 45068.9805964146. The cubic root of 2031213012 is about 1266.4415676024.

Adding to 2031213012 its reverse (2103121302), we get a palindrome (4134334314).

The spelling of 2031213012 in words is "two billion, thirty-one million, two hundred thirteen thousand, twelve".