1220010012102 has 64 divisors (see below), whose sum is σ = 2805141588480. Its totient is φ = 346510635264.

The previous prime is 1220010012101. The next prime is 1220010012103. The reversal of 1220010012102 is 2012100100221.

It is an interprime number because it is at equal distance from previous prime (1220010012101) and next prime (1220010012103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220010012101) 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 31 ways as a sum of consecutive naturals, for example, 6085738 + ... + 6283010.

It is an arithmetic number, because the mean of its divisors is an integer number (43830337320).

Almost surely, 2^{1220010012102} is an apocalyptic number.

1220010012102 is an abundant number, since it is smaller than the sum of its proper divisors (1585131576378).

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

1220010012102 is a wasteful number, since it uses less digits than its factorization.

1220010012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198157.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220010012102 its reverse (2012100100221), we get a palindrome (3232110112323).

The spelling of 1220010012102 in words is "one trillion, two hundred twenty billion, ten million, twelve thousand, one hundred two".