1212656434031 has 8 divisors (see below), whose sum is σ = 1386276681504. Its totient is φ = 1039132090080.

The previous prime is 1212656433991. The next prime is 1212656434037. The reversal of 1212656434031 is 1304346562121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212656434031 - 2²² = 1212652239727 is a prime.

It is a super-2 number, since 2×1212656434031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212656434037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23948780 + ... + 23999361.

It is an arithmetic number, because the mean of its divisors is an integer number (173284585188).

Almost surely, 2^{1212656434031} is an apocalyptic number.

1212656434031 is a deficient number, since it is larger than the sum of its proper divisors (173620247473).

1212656434031 is an equidigital number, since it uses as much as digits as its factorization.

1212656434031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47951761.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 1212656434031 in words is "one trillion, two hundred twelve billion, six hundred fifty-six million, four hundred thirty-four thousand, thirty-one".