1522012151225 has 24 divisors (see below), whose sum is σ = 1893068210880. Its totient is φ = 1213890749120.

The previous prime is 1522012151221. The next prime is 1522012151237. The reversal of 1522012151225 is 5221512102251.

It is not a de Polignac number, because 1522012151225 - 2² = 1522012151221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1522012151221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10833731 + ... + 10973319.

It is an arithmetic number, because the mean of its divisors is an integer number (78877842120).

Almost surely, 2^{1522012151225} is an apocalyptic number.

It is an amenable number.

1522012151225 is a deficient number, since it is larger than the sum of its proper divisors (371056059655).

1522012151225 is a wasteful number, since it uses less digits than its factorization.

1522012151225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140929 (or 140924 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 1522012151225 its reverse (5221512102251), we get a palindrome (6743524253476).

The spelling of 1522012151225 in words is "one trillion, five hundred twenty-two billion, twelve million, one hundred fifty-one thousand, two hundred twenty-five".