121012010212100 has 144 divisors (see below), whose sum is σ = 310784899493376. Its totient is φ = 40039676352000.

The previous prime is 121012010212091. The next prime is 121012010212111. The reversal of 121012010212100 is 1212010210121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24472796 + ... + 28998995.

It is an arithmetic number, because the mean of its divisors is an integer number (2158228468704).

Almost surely, 2^{121012010212100} is an apocalyptic number.

121012010212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012010212100 is an abundant number, since it is smaller than the sum of its proper divisors (189772889281276).

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

121012010212100 is a wasteful number, since it uses less digits than its factorization.

121012010212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53471926 (or 53471919 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121012010212100 its reverse (1212010210121), we get a palindrome (122224020422221).

The spelling of 121012010212100 in words is "one hundred twenty-one trillion, twelve billion, ten million, two hundred twelve thousand, one hundred".