120001211012 has 6 divisors (see below), whose sum is σ = 210002119278. Its totient is φ = 60000605504.

The previous prime is 120001210999. The next prime is 120001211021. The reversal of 120001211012 is 210112100021.

It can be written as a sum of positive squares in only one way, i.e., 103602871876 + 16398339136 = 321874^2 + 128056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120001210984 and 120001211002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000151373 + ... + 15000151380.

It is an arithmetic number, because the mean of its divisors is an integer number (35000353213).

Almost surely, 2^120001211012 is an apocalyptic number.

It is an amenable number.

120001211012 is a deficient number, since it is larger than the sum of its proper divisors (90000908266).

120001211012 is a wasteful number, since it uses less digits than its factorization.

120001211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30000302757 (or 30000302755 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120001211012 its reverse (210112100021), we get a palindrome (330113311033).

The spelling of 120001211012 in words is "one hundred twenty billion, one million, two hundred eleven thousand, twelve".