1212177122252 has 24 divisors (see below), whose sum is σ = 2237739416640. Its totient is φ = 572959619280.

The previous prime is 1212177122239. The next prime is 1212177122257. The reversal of 1212177122252 is 2522217712121.

It is a super-2 number, since 2×1212177122252² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212177122257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17041274 + ... + 17112257.

It is an arithmetic number, because the mean of its divisors is an integer number (93239142360).

Almost surely, 2^{1212177122252} is an apocalyptic number.

It is an amenable number.

1212177122252 is a deficient number, since it is larger than the sum of its proper divisors (1025562294388).

1212177122252 is a wasteful number, since it uses less digits than its factorization.

1212177122252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34154021 (or 34154019 counting only the distinct ones).

The product of its digits is 15680, while the sum is 35.

The spelling of 1212177122252 in words is "one trillion, two hundred twelve billion, one hundred seventy-seven million, one hundred twenty-two thousand, two hundred fifty-two".