1201265151626 has 16 divisors (see below), whose sum is σ = 1925722480896. Its totient is φ = 560018056896.

The previous prime is 1201265151601. The next prime is 1201265151629. The reversal of 1201265151626 is 6261515621021.

It is a super-2 number, since 2×1201265151626² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201265151626.

It is not an unprimeable number, because it can be changed into a prime (1201265151629) 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, 165096026 + ... + 165103301.

It is an arithmetic number, because the mean of its divisors is an integer number (120357655056).

Almost surely, 2^{1201265151626} is an apocalyptic number.

1201265151626 is a deficient number, since it is larger than the sum of its proper divisors (724457329270).

1201265151626 is a wasteful number, since it uses less digits than its factorization.

1201265151626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330199453.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 1201265151626 in words is "one trillion, two hundred one billion, two hundred sixty-five million, one hundred fifty-one thousand, six hundred twenty-six".