1212102220131 has 48 divisors (see below), whose sum is σ = 1962438293088. Its totient is φ = 714447820800.

The previous prime is 1212102220117. The next prime is 1212102220159. The reversal of 1212102220131 is 1310222012121.

1212102220131 is a `hidden beast` number, since 1 + 212 + 102 + 220 + 131 = 666.

It is not a de Polignac number, because 1212102220131 - 2¹³ = 1212102211939 is a prime.

It is a super-2 number, since 2×1212102220131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212102220331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8652115 + ... + 8791091.

It is an arithmetic number, because the mean of its divisors is an integer number (40884131106).

Almost surely, 2^{1212102220131} is an apocalyptic number.

1212102220131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1212102220131 is a deficient number, since it is larger than the sum of its proper divisors (750336072957).

1212102220131 is a wasteful number, since it uses less digits than its factorization.

1212102220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141412 (or 141409 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1212102220131 its reverse (1310222012121), we get a palindrome (2522324232252).

The spelling of 1212102220131 in words is "one trillion, two hundred twelve billion, one hundred two million, two hundred twenty thousand, one hundred thirty-one".