1201312554102 has 12 divisors (see below), whose sum is σ = 2602843867260. Its totient is φ = 400437518028.

The previous prime is 1201312554073. The next prime is 1201312554131. The reversal of 1201312554102 is 2014552131021.

It is a happy number.

1201312554102 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 3 + 1 + 2 + 554 + 102 = 666.

It is an interprime number because it is at equal distance from previous prime (1201312554073) and next prime (1201312554131).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33369793152 + ... + 33369793187.

It is an arithmetic number, because the mean of its divisors is an integer number (216903655605).

Almost surely, 2^{1201312554102} is an apocalyptic number.

1201312554102 is an abundant number, since it is smaller than the sum of its proper divisors (1401531313158).

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

1201312554102 is a wasteful number, since it uses less digits than its factorization.

1201312554102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66739586347 (or 66739586344 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 1201312554102 its reverse (2014552131021), we get a palindrome (3215864685123).

The spelling of 1201312554102 in words is "one trillion, two hundred one billion, three hundred twelve million, five hundred fifty-four thousand, one hundred two".