121012012310 has 16 divisors (see below), whose sum is σ = 248938996896. Its totient is φ = 41489832768.

The previous prime is 121012012309. The next prime is 121012012337. The reversal of 121012012310 is 13210210121.

It is a super-2 number, since 2×121012012310² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864371447 + ... + 864371586.

It is an arithmetic number, because the mean of its divisors is an integer number (15558687306).

Almost surely, 2^121012012310 is an apocalyptic number.

121012012310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012012310 is an abundant number, since it is smaller than the sum of its proper divisors (127926984586).

121012012310 is a wasteful number, since it uses less digits than its factorization.

121012012310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728743047.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121012012310 its reverse (13210210121), we get a palindrome (134222222431).

The spelling of 121012012310 in words is "one hundred twenty-one billion, twelve million, twelve thousand, three hundred ten".