1631525244212 has 6 divisors (see below), whose sum is σ = 2855169177378. Its totient is φ = 815762622104.

The previous prime is 1631525244203. The next prime is 1631525244233. The reversal of 1631525244212 is 2124425251361.

It can be written as a sum of positive squares in only one way, i.e., 1168725317776 + 462799926436 = 1081076^2 + 680294^2 .

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, 203940655523 + ... + 203940655530.

It is an arithmetic number, because the mean of its divisors is an integer number (475861529563).

Almost surely, 2^{1631525244212} is an apocalyptic number.

It is an amenable number.

1631525244212 is a deficient number, since it is larger than the sum of its proper divisors (1223643933166).

1631525244212 is a wasteful number, since it uses less digits than its factorization.

1631525244212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407881311057 (or 407881311055 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The spelling of 1631525244212 in words is "one trillion, six hundred thirty-one billion, five hundred twenty-five million, two hundred forty-four thousand, two hundred twelve".