120211251402 has 32 divisors (see below), whose sum is σ = 265226063040. Its totient is φ = 36018350720.

The previous prime is 120211251401. The next prime is 120211251409. The reversal of 120211251402 is 204152112021.

It is not an unprimeable number, because it can be changed into a prime (120211251401) 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 15 ways as a sum of consecutive naturals, for example, 10226613 + ... + 10238360.

It is an arithmetic number, because the mean of its divisors is an integer number (8288314470).

Almost surely, 2^120211251402 is an apocalyptic number.

120211251402 is an abundant number, since it is smaller than the sum of its proper divisors (145014811638).

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

120211251402 is a wasteful number, since it uses less digits than its factorization.

120211251402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20465078.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 120211251402 its reverse (204152112021), we get a palindrome (324363363423).

The spelling of 120211251402 in words is "one hundred twenty billion, two hundred eleven million, two hundred fifty-one thousand, four hundred two".