20121322302102 has 32 divisors (see below), whose sum is σ = 45992341810944. Its totient is φ = 5748855732000.

The previous prime is 20121322302031. The next prime is 20121322302119. The reversal of 20121322302102 is 20120322312102.

It is a super-2 number, since 2×20121322302102² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1261524 + ... + 6467927.

It is an arithmetic number, because the mean of its divisors is an integer number (1437260681592).

Almost surely, 2^{20121322302102} is an apocalyptic number.

20121322302102 is an abundant number, since it is smaller than the sum of its proper divisors (25871019508842).

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

20121322302102 is a wasteful number, since it uses less digits than its factorization.

20121322302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791444.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20121322302102 its reverse (20120322312102), we get a palindrome (40241644614204).

The spelling of 20121322302102 in words is "twenty trillion, one hundred twenty-one billion, three hundred twenty-two million, three hundred two thousand, one hundred two".