1212027057152 has 22 divisors (see below), whose sum is σ = 2422870496178. Its totient is φ = 606013528064.

The previous prime is 1212027057127. The next prime is 1212027057223. The reversal of 1212027057152 is 2517507202121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 792413310976 + 419613746176 = 890176^2 + 647776^2 .

It is a super-2 number, since 2×1212027057152² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591809063 + ... + 591811110.

It is an arithmetic number, because the mean of its divisors is an integer number (110130477099).

Almost surely, 2^{1212027057152} is an apocalyptic number.

It is an amenable number.

1212027057152 is a deficient number, since it is larger than the sum of its proper divisors (1210843439026).

1212027057152 is an equidigital number, since it uses as much as digits as its factorization.

1212027057152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183620193 (or 1183620175 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The spelling of 1212027057152 in words is "one trillion, two hundred twelve billion, twenty-seven million, fifty-seven thousand, one hundred fifty-two".